Financial experts have identified several asset types that, if held in excess, may jeopardize an individual's ability to retire comfortably in the United States. The primary concern centers on assets that carry high management fees, lack liquidity, or fail to provide consistent growth, effectively acting as a drag on a retirement portfolio.

Among the assets flagged are high-cost mutual funds, which often underperform compared to low-cost index funds due to management expenses. The report also points to speculative investments, including certain volatile digital assets and 'penny stocks,' which carry a high risk of total capital loss. Additionally, the analysis warns against over-concentration in employer stock, noting that if a company faces financial distress, an employee risks losing both their job and their primary retirement savings simultaneously.

While the report emphasizes the importance of diversification and cost-efficiency, it does not account for individual risk tolerance or the potential for high-reward outcomes in speculative markets. Financial advisors generally agree that the core issue is not necessarily the asset class itself, but the proportion of a portfolio it occupies and the associated costs. Investors are encouraged to review their holdings to ensure they align with long-term retirement goals rather than short-term market trends.